<?xml version="1.0" encoding="UTF-8"?>
<testsuite name="com.ustadmobile.libcache.distributed.http.DistributedCacheHttpEndpointTest" tests="1" skipped="0" failures="0" errors="0" timestamp="2026-05-21T03:44:59.887Z" hostname="devserver3" time="0.501">
  <properties/>
  <testcase name="givenRequest_willForwardToCache[jvm]" classname="com.ustadmobile.libcache.distributed.http.DistributedCacheHttpEndpointTest" time="0.501"/>
  <system-out><![CDATA[]]></system-out>
  <system-err><![CDATA[May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:44:59 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(58468 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(46851 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(37319 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(51579 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(52255 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43104 cache2) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(54372 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

May 21, 2026 7:45:00 AM io.github.aakira.napier.DebugAntilog performLog
SEVERE: [ERROR] DistCache - DistributedCacheHashtable(43659 cache1) exception reading incoming packet
java.net.SocketException: Socket closed
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:252)
	at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
	at com.ustadmobile.libcache.distributed.DistributedCacheHashtable$ReceivePacketsRunnable.run(DistributedCacheHashtable.kt:170)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.DatagramChannelImpl.ensureOpen(DatagramChannelImpl.java:267)
	at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:624)
	at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
	... 8 more

]]></system-err>
</testsuite>
